ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 187
Parent subsystem(s): fs (148)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
INFO: task hung in do_new_mount (4) prio:high fuse ext4 1 syz 6 1d06h 13h41m
KASAN: use-after-free Read in ext4_read_inline_data (2) ext4 prio:high 19 syz, C error 1 8d05h 7d12h PATCH [4d04h]
linux-next test error: general protection fault in __bh_submit ext4 prio:high -1 2 19d 16d 💬 1 [15d]
KASAN: use-after-free Read in register_bcache prio:high ext4 bcache 19 syz, C 11 23d 43d PATCH [36d]
WARNING in __ext4_handle_dirty_metadata prio:low ext4 -1 1 60d 56d
kernel BUG in ext4_write_inline_data_end (3) prio:normal ext4 -1 syz 1 54d 67d PATCH [60d]
KASAN: use-after-free Read in ext4_search_dir (3) prio:high actionable ext4 19 2 50d 75d
INFO: task hung in ext4_write_end prio:high ext4 1 syz error 16 18d 81d PATCH [7d15h]
INFO: task hung in ext4_load_tail_bh prio:high ext4 1 syz, C 1 65d 81d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 7 32d 104d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error error 28 34d 104d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 syz, C 3 110d 124d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 syz, C 12 118d 144d PATCH [55d]
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 21 47d 152d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 syz, C error error 3 30d 211d PATCH [164d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 syz, C error error 19 11d 222d PATCH [14d]
possible deadlock in evict (4) prio:high ext4 4 46 40d 299d
INFO: task hung in __start_renaming prio:high ext4 1 syz, C done error 71 88d 302d 💬 11 [300d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 syz, C unreliable 2502 18d 312d PATCH [69d]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 syz, C error 9790 18d 320d PATCH [95d]
WARNING in get_data prio:high ext4 -1 syz, C error 1613 315d 332d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 syz, C 202 98d 342d PATCH [89d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 syz, C error error 63 3d15h 343d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 syz, C error 3 26d 370d
possible deadlock in do_writepages (2) prio:normal ext4 4 syz, C unreliable error 883 33d 370d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 syz, C 151 22h32m 371d PATCH [362d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 syz, C error error 75 9h05m 437d 💬 2 [59d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 syz, C error error 3 260d 497d
INFO: task hung in find_inode_fast (4) prio:high ext4 1 syz, C error error 30 27d 638d PATCH [84d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 syz, C error 1365 3h01m 667d
divide error in qnx6_mmi_fill_super prio:high ext4 2 syz, C unreliable inconclusive 7 21h12m 689d PATCH [686d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 syz, C inconclusive error 319 3h39m 690d
possible deadlock in ext4_writepages (2) prio:high ext4 4 syz, C unreliable 21100 18d 702d 💬 1 [11d]
WARNING in ext4_journal_check_start (2) ext4 -1 syz, C inconclusive inconclusive 113 17h10m 704d PATCH [55d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 syz, C error 8011 1h23m 730d PATCH [270d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 syz, C done error 6 262d 754d 💬 1 [753d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 syz, C error 488 8h10m 775d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 syz, C inconclusive error 1004 8d11h 846d PATCH [846d]
INFO: task hung in jbd2_journal_commit_transaction (5) prio:low ext4 1 syz, C error error 3006 4h56m 860d
WARNING in ext4_xattr_set_entry (2) ext4 -1 syz, C error 9 860d 893d PATCH [20d]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 syz, C error inconclusive 3029 5d16h 1162d
WARNING: locking bug in ext4_ioctl ext4 4 syz, C done done 923 654d 1205d PATCH [724d]
WARNING: locking bug in __ext4_ioctl ext4 4 syz, C done error 849 671d 1205d
kernel BUG in ext4_do_writepages prio:high ext4 -1 syz, C error 5336 9h17m 1374d PATCH [56d]
kernel BUG in __ext4_journal_stop ext4 -1 syz, C error done 44 52d 1393d 💬 7 [923d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in xas_find_marked / xas_init_marks (8) ext4 race:benign prio:low 6 1 9d09h 9d09h
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (10) ext4 race:benign prio:high 6 2 3d11h 28d
WARNING: proc registration bug in jbd2_journal_destroy prio:low ext4 -1 1 54d 50d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 mm 6 225 2d02h 474d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 331 2d13h 513d
KCSAN: data-race in _prb_read_valid / data_alloc prio:low ext4 6 592 3d03h 514d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 253 2d12h 577d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1635 2d02h 1019d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 514d 2423d